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Finding the Fourth Proportional to 132,006.30, 198,009.45 and 124,230.30

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Solution

The fourth proportional to 132,006.30, 198,009.45 and 124,230.30 is: 186,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,006.30 : 198,009.45 = 124,230.30 : x
  2. Step 2: Convert to fraction form
    132,006.30/198,009.45 = 124,230.30/x
  3. Step 3: Cross multiply
    132,006.30x = 198,009.45 × 124,230.30
  4. Step 4: Simplify right side
    132,006.30x = 24,598,773,376.34
  5. Step 5: Solve for x
    x = 24,598,773,376.34/132,006.30
  6. Step 6: Final answer
    x = 186,345.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.